Examples of mechanisms pathogens use to avoid phagocytosis include _____
A) capsules.
B) protein A.
C) M protein.
D) all of the above
Ans: A) capsules.
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Sensory information from the body, as well as motor control signals from the brain, travel through the spinal cord, shown in cross section in the diagram below. Which portion of the spinal cord carries most of these motor control signals from the brain to the body?
a. white matter
b. dorsal spinal cord
c. ventral spinal cord
d. gray matter
One of the most common brain injuries is
a. epilepsy. b. encephalitis. c. meningitis. d. concussion. e. Alzheimer's disease.
Weakened bones, kidney stones, and malfunctioning muscles are symptoms of
a. hyperthyroidism. b. Grave's disease. c. acromegaly. d. hyperparathyroidism. e. Wilson's disease.
A person working with plants may reduce the inhibition of apical dominance by auxin via which of the following?
a. pruning shoot tips b. deep watering of the roots c. fertilizing d. treating the plants with auxins e. feeding the plants nutrients